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Phaeophyscia sciastra

Overview
PNW Range:
  West sideOccasional
  East sideOccasional
  Immediate coastUncommon
  Alpine or subalpineUncommon
Habitat: Common in outcrop and talus areas in dry, continental climates, associated with both siliceous and calcareous rock.
Substrate: Rock or mosses over rock.
Comments:
Synonymy: none
Phaeophyscia sciastra - Lobes
Lobes
by B. McCune
1/5
Phaeophyscia sciastra - Soredia
Soredia
by B. McCune
2/5
Phaeophyscia sciastra - Habit
Habit
by B. McCune
3/5
Phaeophyscia sciastra - Isidia
Isidia
by B. McCune
4/5
Phaeophyscia sciastra - Habit
Habit
by B. McCune
5/5
Scale: Bar=1mm unless noted
Growth Form
Fruticose: Never
Foliose: Almost always
Crustose: Never
Appressed Foliose: Commonly
Fluffy Foliose or Strappy: Sometimes
Dangling Hair: Never
Erect Hair: Never
Appressed Hair: Never
Stalks With Squamules: Never
Stalks: Never
Squamules: Never
Single Holdfast: Never
Dangling Nets: Never
Lobe Width (mm): 0.3 (± 0.15)

Upper Surface
Upper Surface Color    (Dry) 
   Pale Gray: Almost always
   Dark Gray: Almost always
   Brown: Rarely
   Tan: Rarely
Upper Surface Tomentose: Never
Upper Surface Pruinose or Scabrid: Sometimes
Upper Surface with Network of Ridges: Never
Upper Surface with Pseudocyphellae: Never
   Upper Surface with Holes into Cavity: Never
Cilia on Margins: Never
Lower Surface (Foliose)
Lower Surface Color    (Dry) 
   Black: Almost always
   Brown: Commonly
Veined Below: Never
Rhizinate Below: Almost always
   Rhizines Squarrose: Never
Tomentose Below: Never
Cyphellae: Never
Pseudocyphellae Below: Never
Papillae Below: Never

Interior
Inside (Medulla) Yellow or Orange: Never
Central Cord: Never
Hollow Stalks or Hollow Lobes: Never
Gelatinous: Never

Photobiont
Green Algae Primary Photobiont: Almost always
Cyanobacteria Primary Photobiont: Never
Internal Cephalodia: Never
External Cephalodia: Never

Sexual Reproduction
Perithecia: Never
Apothecia: Rarely
   Mazaedium: Never
Disk Color    (Dry) 
   Disk Black: Almost always

Asexual Reproduction
Isidia: Sometimes
Soredia: Sometimes
Lobules: Rarely